A
Science and Technology Odyssey
In Cyberspace-Time
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Time Period
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Mathematics "The Egyptians had a calendar as early as 4800 BC, but in 4200 BC their mathematics and astronomy produced a 365 day calendar (12 months of 30 days + 5 feast days).THE MATHEMATICS OF ANCIENT EGYPT
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Visit Bill's Science Mall |
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To see more pictures search at http://www.fotosearch.com/ Right click and open in new Window.
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